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Poly(n-butyl acrylate-co-methyl methacrylate) and poly(n-butyl acrylate-co-styrene)/ silicate nanocomposites prepared by emulsion polymerization

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Abstract

Two types of poly(n-butyl acrylate) copolymer/silicate nanocomposites have been produced: poly(n-butyl acrylate-co-methyl methacrylate) [P(BA-co-MMA)]/silicate nanocomposites and poly(n-butyl acrylate-co-styrene) [P(BA-co-ST)]/silicate nanocomposites. The P(BA-co-MMA)/silicate nanocomposites shows the exfoliated structures but a P(BA-co-ST)/silicate nanocomposites have intercalated structures, because the BA/MMA comonomer has a higher polarity (e-value in Q-e scheme) than the BA/ST comonomer. The BA/MMA comonomer expanded the interlayer space of the silicate wider than did the BA/ST comonomer. The thermal degradation onset point of the P(BA-co-MMA)/silicate nanocomposites was 43°C higher than that of pure P(BA-co-MMA). P(BA-co-MMA)T5%, P(BA-co-MMA)T10%, and P(BA-co-MMA)T20% exhibit 134, 302, and 195% increases, respectively, in their storage moduli at −20 °C relative to the pure copolymer.

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Authors and Affiliations

  1. Department of Chemical and Biomolecular Engineering, Korea Advanced Institute of Science and Technology, 373-1, Guseong-dong, Yuseong-gu, 305-701, Daejeon, Korea

    Yeong Suk Choi & In Jae Chung

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  1. Yeong Suk Choi
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  2. In Jae Chung
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Choi, Y.S., Chung, I.J. Poly(n-butyl acrylate-co-methyl methacrylate) and poly(n-butyl acrylate-co-styrene)/ silicate nanocomposites prepared by emulsion polymerization. Macromol. Res. 11, 425–430 (2003). https://doi.org/10.1007/BF03218971

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  • DOI: https://doi.org/10.1007/BF03218971

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